Latest Nation headlines

The latest national news from The Boston Globe

Surveillance deal would allow British spies easier U.S. access

The transatlantic allies have quietly begun negotiations this month.

Six degrees of separation? Facebook finds a smaller number

The social media giant says each person in the world is separated from every other by “an average of three and a half other people.”

Couple suspected in crime spree found; man dead, authorities say

No other details were immediately released, but local news outlets report that shots were fired after a chase.

Iowa Democrats say recount impossible in Clinton-Sanders virtual tie

Democratic Party officials in Iowa say they can’t do a recount of Monday’s razor-thin presidential caucus results. 

Democrats clash over big money, credentials in heated debate

In N.H., Hillary Clinton and Bernie Sanders tangled over the role of money in politics and the philosophical underpinnings of the party.

Flakes alive

Friday: Snowy and windy; high 35-40, low 21-26

Colombia leader asking Obama for money, terror list change

Juan Manuel Santos’ visit to Washington came against the backdrop of peace talks.

For the record

Daily print correction for the newspaper.

Activist behind Planned Parenthood video to reject plea deal

The plan means his goal is to use a trial as a public platform to criticize the nonprofit.

NYC pulls reins on plan for Central Park horse carriages

The move came after the drivers’ union withdrew its support.

No one submits verified claim for $63 million lotto jackpot

Luck may have run out for the winner of a California Lottery jackpot.

2 teens in homeless camp killings to be tried as adults

The shooting left two people dead and three wounded.

Senate Democrats block energy bill in impasse over Flint

Democrats proposed a $600 million aid package for the city last week.

Flint water warning came long before governor went public

When he disclosed the spike in Legionnaires, Rick Snyder said he had learned of it just a few days earlier.

Florida, vulnerable to Zika virus, gets ready for fight

A rainy, humid winter already had mosquito control officials on alert statewide.

Cosby case could hinge on deposition and accusers

On Wednesday, a judge moved the case a step closer to trial.

Live: Congressional hearing on drug prices

Martin Shkreli, the former CEO of Turing Pharmaceuticals who faces securities fraud charges, invoked his Fifth Amendment right against self-incrimination.

Trump’s plane makes emergency landing

Donald Trump’s plane was diverted to the Nashville International Airport after the control tower received a report that the plane was experiencing engine trouble.

Martin Shkreli refuses to testify at congressional hearing

The former pharmaceutical CEO, who is facing securities fraud charges, repeatedly invoked the Fifth Amendment in response to lawmakers’ questions.

Obama visits mosque, denounces anti-Muslim bias

President Obama reached out to Muslims in the United States in an impassioned speech, embracing them as part of “one American family.”

In warm’s way

Thursday: Cloudy, mild; high 52-57, low 32-37

Ethicists approve embryos with three genetic parents

The novel form of genetic engineering could prevent congenital disease.

Sanders sees growing pains as he builds campaign

As Bernie Sanders suddenly commands national attention, the campaign must adjust, and it’s not all pretty.

Sexually-transmitted Zika case confirmed in Texas

The unidentified person had not traveled but had sex with a person who had been to Venezuela.

Election mystery money returns

Campaign money from shadowy sources is back this presidential election.

Flint water crisis hearings begin in Congress

The panels stirred partisan passions in both the Senate and the House.

Record number of false convictions overturned in 2015

At least 149 defendants were cleared last year, 10 more than in 2014.

Anti-abortion activist indicted in Texas turns herself in

She is charged in the making of undercover videos about Planned Parenthood.

Storms leave havoc in wake in South, Plains, Midwest

Tornadoes hit Mississippi and Alabama; a powerful snowstorm buried Colorado and Nebraska.

Female Marines may be allowed to bulk up as service opens infantry

Strengthening exercises have pushed some of them outside the service’s weight limits.

Obama visits US mosque, says impression of Muslims distorted

President Obama said those who demonize all Muslims for the acts of a few are playing into extremists’ hands.

Video shows only known US jaguar roaming Arizona mountains

El Jefe — Spanish for ‘‘the boss’’ — has been living in the Santa Rita Mountains, about 25 miles south of downtown Tucson, for over three years.

Hearing in ‘Serial’ case begins

Adnan Syed, who is serving a life sentence for the murder of his high school girlfriend, seeks a new trial.

Not using birth control? Don’t drink any alcohol, CDC advises

The agency warns that about 3 million sexually active women are at risk of not knowing they are pregnant and drinking alcohol.

Real estate heir Robert Durst pleads guilty to weapons charge

Durst was linked to three deaths in an HBO documentary last year.

Judge refuses to throw out sex assault case against Cosby

The case involves an unwritten promise of immunity that a previous district attorney says he gave Bill Cosby a decade ago.

Tornadoes hit the South, while snow falls in Plains, Midwest

That combination isn’t unusual when a powerful weather system moves across the country, a forecaster said.

Minn. elementary school won’t allow holiday celebrations

The move is the school’s attempt to be more culturally sensitive and inclusive, its principal said.

Afternoon deluge

Wednesday: Heavy p.m. rain; high 50-55, low 48-53

Georgia inmate in late appeals seeking to block execution

Lawyers for Georgia’s oldest death row inmate filed last-minute appeals before the U.S. Supreme Court urging the justices to block the scheduled Tuesday evening execution of the 72-year-old man, who was convicted of the 1979 killing of a convenience store manager.

For the record

Daily print correction for the newspaper.

Scientists map bedbug genome, follow pest through NYC subway

They discovered surprising genetic diversity among the bloodsucking creatures.

National Security Agency plans major reorganization

The world’s largest electronic spy agency is merging its offensive and defensive organizations in the hope of making them more adept at facing digital threats.

White House seeks nearly $1.2 billion for opioid response

Officials said the funding would address the growing problem of heroin and prescription opioid use.

3 teens arrested in deadly shooting at Seattle homeless camp

Police believe the Jan. 26 killings stemmed from a low-level drug-dealing dispute.

Generals say it’s time for women to register for the draft

The generals’ testimony at a Senate committee hearing comes after the Pentagon’s decision to open all combat jobs to female service members.

Hoaxers increasingly going online to threaten schools

Often, the “swatting” disrupts the lives of thousands of students.

Navy SEAL to receive Medal of Honor

The award comes for his actions during a hostage rescue mission in Afghanistan.

Zika transmitted in continental US for first time through sexual contact

The infection was passed through sexual contact rather than by a mosquito bite, said health officials in Dallas.

Law-enforcement motorcycle club slipping into outlaw status

The Iron Order embraces the traditions of biker gangs, and it has provoked deadly clashes.